Since this month my internet connection doesn't work often, it really annoys me, coming Tuesday a guy from the ISP will be here and possibly "fix" my internet problem, not sure what he can do when it suddenly does work when he's here. It can be good for a whole day or then suddenly no connection after dinner.... When it works the speed is good, always 150mbps. Anyways I was also thinking, now what if I take an unlimited mobile 4G data plan from my mobile provider? I get 80mbps download speed on 4G where I live, pretty good. When my normal internet connection doesn't work I use mobile internet and tethering by USB cable to my desktop. I'd like to know if I would do this all day every day, how bad is it for my phone or it's battery?